package com.example.demo.collection.linkedhashmap;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @author luowj12
 * @since 2021/5/17 11:23
 */
public class LinkedHashMapTest {

    public static void main(String[] args) {
        Map map = new LinkedHashMap();

        map.put("1","aa");

        map.get("1");

    }

}
